
1) Certain piece of plastic 2) Contactless smart card 3) Credit card 4) Plastic supplier
Found on
https://www.crosswordclues.com/clue/mastercard

(from the article `Computers and Information Systems`) ...than 100,000 customers after nine persons, including seven bank employees, were charged with trying to steal financial information belonging to ...
Found on
http://www.britannica.com/eb/a-z/m/47

An international payment services and card... <a target=_blank href='http://www.finance-glossary.com/terms/Mastercard.htm?id=931&ginPtrCode=00000&PopupMode=false' title='Read full definition of Mastercard'>more</a>
Found on
http://www.finance-glossary.com/pages/home.htm
No exact match found.